International Sugar Journal

Why benefits from controlled release fertilisers can be lower than expected on some soils [Full subscriber]

Abstract Controlled release fertilisers (CRFs) have received increased interest by the Australian sugarcane industry as part of efforts to evaluate the use of enhanced efficiency fertilisers to reduce nitrogen (N) losses and improve N use efficiency. Experimental results and simulations, here and abroad, have shown that benefits from CRFs are dependent on soil and management conditions and are highly seasonally variable. Understanding the causes of this variability may better define where and when benefits can be expected from the use of CRFs. Here we use simulation analysis to quantify and explain the effects of soil type on agronomic and environmental…

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